001    /*
002     * JBoss DNA (http://www.jboss.org/dna)
003     * See the COPYRIGHT.txt file distributed with this work for information
004     * regarding copyright ownership.  Some portions may be licensed
005     * to Red Hat, Inc. under one or more contributor license agreements.
006     * See the AUTHORS.txt file in the distribution for a full listing of 
007     * individual contributors. 
008     *
009     * JBoss DNA is free software. Unless otherwise indicated, all code in JBoss DNA
010     * is licensed to you under the terms of the GNU Lesser General Public License as
011     * published by the Free Software Foundation; either version 2.1 of
012     * the License, or (at your option) any later version.
013     *
014     * JBoss DNA is distributed in the hope that it will be useful,
015     * but WITHOUT ANY WARRANTY; without even the implied warranty of
016     * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
017     * Lesser General Public License for more details.
018     *
019     * You should have received a copy of the GNU Lesser General Public
020     * License along with this software; if not, write to the Free
021     * Software Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA
022     * 02110-1301 USA, or see the FSF site: http://www.fsf.org.
023     */
024    package org.jboss.dna.mimetype.aperture;
025    
026    import java.io.IOException;
027    import java.io.InputStream;
028    import org.jboss.dna.graph.mimetype.MimeTypeDetector;
029    import org.semanticdesktop.aperture.mime.identifier.MimeTypeIdentifier;
030    import org.semanticdesktop.aperture.mime.identifier.magic.MagicMimeTypeIdentifier;
031    import org.semanticdesktop.aperture.util.IOUtil;
032    
033    /**
034     * @author jverhaeg
035     */
036    public class ApertureMimeTypeDetector implements MimeTypeDetector {
037    
038        /**
039         * {@inheritDoc}
040         * 
041         * @throws IOException
042         * @see org.jboss.dna.graph.mimetype.MimeTypeDetector#mimeTypeOf(java.lang.String, java.io.InputStream)
043         */
044        public String mimeTypeOf( String name,
045                                  InputStream content ) throws IOException {
046            /*
047                MimeTypes identifier = TikaConfig.getDefaultConfig().getMimeRepository();
048                MimeTypeDetectors mimeType = identifier.getMimeType(path.getLastSegment().getName().getLocalName(), stream);
049                return mimeType == null ? null : mimeType.getName();
050            */
051            MimeTypeIdentifier identifier = new MagicMimeTypeIdentifier();
052            // Read as many bytes of the file as desired by the MIME-type identifier
053            int minimumArrayLength = identifier.getMinArrayLength();
054            byte[] bytes = IOUtil.readBytes(content, minimumArrayLength);
055            // let the MimeTypeIdentifier determine the MIME-type of this file
056            return identifier.identify(bytes, name, null);
057        }
058    }